Search a number
-
+
13500284 = 227268879
BaseRepresentation
bin110011011111…
…111101111100
3221101212220112
4303133331330
511424002114
61201205152
7222515300
oct63377574
927355815
1013500284
117690a66
1246307b8
132a48b45
141b15d00
1512ba13e
hexcdff7c

13500284 has 18 divisors (see below), whose sum is σ = 27483120. Its totient is φ = 5785752.

The previous prime is 13500281. The next prime is 13500307. The reversal of 13500284 is 48200531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34244 + ... + 34635.

It is an arithmetic number, because the mean of its divisors is an integer number (1526840).

Almost surely, 213500284 is an apocalyptic number.

13500284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13500284 is an abundant number, since it is smaller than the sum of its proper divisors (13982836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13500284 is a wasteful number, since it uses less digits than its factorization.

13500284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68897 (or 68888 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 13500284 is about 3674.2732614763. The cubic root of 13500284 is about 238.1118274943. Note that the first 3 decimals are identical.

The spelling of 13500284 in words is "thirteen million, five hundred thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 68879 137758 275516 482153 964306 1928612 3375071 6750142 13500284